# OC Root 2nd 3rd 4th PC Gene/Definition OC.168837 Bacteria.370624 Bacteroidetes.127096 Sphingobacterium.12060 smiz.3719 smiz:4412673_03830 coenzyme F420-reducing hydrogenase subunit beta OC.168837 Bacteria.370624 Bacteroidetes.159312 - zpr.624 zpr:ZPR_0559 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein